Results 11 to 20 of about 131,482 (278)

Multisatellite Task Allocation and Orbit Planning for Asteroid Terminal Defence

open access: yesAerospace, 2022
Near-Earth asteroids are a great threat to the Earth, especially potential rendezvous and collision asteroids. To protect the Earth from an asteroid collision, it is necessary to investigate the asteroid defence problem.
Yuelong Luo   +4 more
doaj   +1 more source

The first complete mitochondrial genome of the Northern Pacific deep-sea goniasterid sea star Ceramaster japonicus (Sladen, 1889) determined using NGS-based shotgun sequencing

open access: yesMitochondrial DNA. Part B. Resources, 2021
The full mitogenome of an ethanol-preserved museum specimen of Ceramaster japonicus was determined using the NGS Illumina MiSeq platform. The specimen was collected from Tosa Bay, Japan, facing the Pacific Ocean (33.0781 N 134.0601 E), at 700 m depth in ...
Masaki Yamamoto   +6 more
doaj   +1 more source

The ESA Hera Mission: Detailed Characterization of the DART Impact Outcome and of the Binary Asteroid (65803) Didymos

open access: yesThe Planetary Science Journal, 2022
Hera is a planetary defense mission under development in the Space Safety and Security Program of the European Space Agency for launch in 2024 October.
P. Michel   +47 more
semanticscholar   +1 more source

Optical Imaging Instruments and Main Science Results of Small Body Exploration: A Review

open access: yesIEEE Access, 2021
Compared with planets and their moons, small bodies retain the characteristics of their early formation. Therefore small bodies, especially Near Earth Asteroids (NEA), have become one of the most valuable targets in space exploration. This paper presents
Fanlu Wu, Yanchao Fan
doaj   +1 more source

Preliminary analysis of the Hayabusa2 samples returned from C-type asteroid Ryugu

open access: yesNature Astronomy, 2021
C-type asteroids1 are considered to be primitive small Solar System bodies enriched in water and organics, providing clues to the origin and evolution of the Solar System and the building blocks of life.
T. Yada   +101 more
semanticscholar   +1 more source

Spacecraft sample collection and subsurface excavation of asteroid (101955) Bennu

open access: yesScience, 2022
Carbonaceous asteroids, such as (101955) Bennu, preserve material from the early Solar System, including volatile compounds and organic molecules. We report spacecraft imaging and spectral data collected during and after retrieval of a sample from Bennu ...
D. Lauretta   +58 more
semanticscholar   +1 more source

Asteroid: the PyTorch-based audio source separation toolkit for researchers [PDF]

open access: yesInterspeech, 2020
This paper describes Asteroid, the PyTorch-based audio source separation toolkit for researchers. Inspired by the most successful neural source separation systems, it provides all neural building blocks required to build such a system.
Manuel Pariente   +13 more
semanticscholar   +1 more source

Feasibility Analysis of Autonomous Orbit Determination and Gravity-Field Recovery around Asteroids Using Inter-Satellite Range Data

open access: yesAerospace, 2023
Autonomous navigation and orbit determination are key problems of asteroid exploration missions. Inter-satellite range link is a type of measurement widely used in the orbit determination of Earth satellites, but not so widely used in missions around ...
Haohan Li, Xiyun Hou
doaj   +1 more source

Domestic (National) Public Space Law of the USA. Success and Challenges of our Time [PDF]

open access: yesAdvanced Space Law, 2019
The author shows the current objective need to approve the principles and specific norms of domestic (national) public space law. The purpose of the article is to prove the expediency of considering the domestic space legislation of the United States ...
Valentyn Halunko
doaj   +1 more source

Physical properties of asteroid Dimorphos as derived from the DART impact [PDF]

open access: yesNature Astronomy
On 26 September 2022, NASA’s Double Asteroid Redirection Test (DART) mission successfully impacted Dimorphos, the natural satellite of the binary near-Earth asteroid (65803) Didymos. Numerical simulations of the impact provide a means to find the surface
∗. S.D.Raducan   +41 more
semanticscholar   +1 more source

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